<!DOCTYPE HTML>
<style>
.container {
  display: inline-block;
  width: 1280px;
  position: relative
}
.outerspan {
  position: absolute;
  left: 0;
  right: 0;
}
</style>
<div class="container">
  <span class="outerspan">
    <span>This test checks that list item don't make non-overflowable box overflowing</span>
  </span>
</div>
This test has passed if it doesn't crash.
<script>
    if (window.testRunner)
        testRunner.dumpAsText();
    document.designMode = 'on';
    document.execCommand('SelectAll');
    document.execCommand('Strikethrough');
    document.execCommand('InsertOrderedList');
</script>
